A Large Armina Nudibranch Or Sea Slug Armina Magna Eating A Sea Pen These Nudibranchs Spend Much Of Their Time Buried In The Sand Venturing Out To Search For Prey The Rhinophores Of A Buried Second Nudibranch Are Visible To The Immediate Right
Caddisfly larvae build protective cases using materials found in their environment. Artist Hubert Duprat supplied them with gold leaf and precious stones. This is what they created. Don't know whether to pin this in Animals, or Art!
Orange Sea Pen (Ptilosarcus gurneyi) found in temperate waters of the northeastern Pacific. Each Pen is a colony of polyps -- the primary polyp loses its tentacles and becomes the stalk, with a bulb as its base.